HIGH 7.3 Microsoft PoC

CVE-2021-33766

Microsoft Exchange Server Information Disclosure Vulnerability

Microsoft Security Update 2021-Jul: Microsoft Exchange Server Information Disclosure Vulnerability

Affected Products

References

Published: 2021-07-13 · Source: Microsoft · Feed updated: 2026-08-10
This high severity vulnerability with a CVSS score of 7.3 was published on 2021-07-13 via Microsoft. 🚨 A public proof-of-concept exploit is available on GitHub. EPSS score: 97.5% (top 0% of all CVEs by exploitation probability). Affected: Microsoft Exchange Server 2019 Cumulative Update 9, Microsoft Exchange Server 2016 Cumulative Update 20, Microsoft Exchange Server 2013 Cumulative Update 23 and 2 more.
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